12938181840
12,938,181,840 is an even composite number composed of six prime numbers multiplied together.
12938181840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 12938181840:
24 × 34 × 5 × 17 × 257 × 457
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 17 × 257 × 457)See below for interesting mathematical facts about the number 12938181840 from the Numbermatics database.
Names of 12938181840
- Cardinal: 12938181840 can be written as Twelve billion, nine hundred thirty-eight million, one hundred eighty-one thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.293818184 × 1010
Factors of 12938181840
Divisors of 12938181840
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 34 36 40 45 48 51 54 60 68 72 80 81 85 90 102 108 120 135 136 144 153 162 170 180 204 216 240 255 257 270 272 306 324 340 360 405 408 432 457 459 510 514 540 612 648 680 720 765 771 810 816 914 918 1020 1028 1080 1224 1285 1296 1360 1371 1377 1530 1542 1620 1828 1836 2040 2056 2160 2285 2295 2313 2448 2570 2742 2754 3060 3084 3240 3656 3672 3855 4080 4112 4113 4369 4570 4590 4626 5140 5484 5508 6120 6168 6480 6855 6885 6939 7312 7344 7710 7769 8226 8738 9140 9180 9252 10280 10968 11016 11565 12240 12336 12339 13107 13710 13770 13878 15420 15538 16452 17476 18280 18360 18504 20560 20565 20817 21845 21936 22032 23130 23307 24678 26214 27420 27540 27756 30840 31076 32904 34695 34952 36560 36720 37008 37017 38845 39321 41130 41634 43690 46260 46614 49356 52428 54840 55080 55512 61680 61695 62152 65535 65808 69390 69904 69921 74034 77690 78642 82260 83268 87380 92520 93228 98712 104085 104856 109680 110160 111024 116535 117449 117963 123390 124304 131070 138780 139842 148068 155380 157284 164520 166536 174760 185040 185085 186456 196605 197424 208170 209712 209763 233070 234898 235926 246780 262140 277560 279684 296136 310760 314568 329040 333072 349520 349605 352347 353889 370170 372912 393210 416340 419526 466140 469796 471852 493560 524280 555120 559368 587245 589815 592272 621520 629136 629289 699210 704694 707778 740340 786420 832680 839052 932280 939592 943704 987120 1048560 1048815 1057041 1118736 1174490 1179630 1258578 1398420 1409388 1415556 1480680 1572840 1665360 1678104 1761735 1769445 1864560 1879184 1887408 1996633 2097630 2114082 2348980 2359260 2517156 2796840 2818776 2831112 2961360 3145680 3146445 3171123 3356208 3523470 3538890 3993266 4195260 4228164 4697960 4718520 5034312 5285205 5593680 5637552 5662224 5989899 6292890 6342246 7046940 7077780 7986532 8390520 8456328 9395920 9437040 9513369 9983165 10068624 10570410 11979798 12585780 12684492 14093880 14155560 15855615 15973064 16781040 16912656 17969697 19026738 19966330 21140820 23959596 25171560 25368984 28187760 28311120 29949495 31711230 31946128 35939394 38053476 39932660 42281640 47566845 47919192 50343120 50737968 53909091 59898990 63422460 71878788 76106952 79865320 84563280 89848485 95133690 95838384 107818182 119797980 126844920 143757576 152213904 159730640 161727273 179696970 190267380 215636364 239595960 253689840 269545455 287515152 323454546 359393940 380534760 431272728 479191920 539090910 646909092 718787880 761069520 808636365 862545456 1078181820 1293818184 1437575760 1617272730 2156363640 2587636368 3234545460 4312727280 6469090920 12938181840
- Sum of all divisors σ(n): 47869181712
- Sum of proper divisors (its aliquot sum) s(n): 34930999872
- 12938181840 is an abundant number, because the sum of its proper divisors (34930999872) is greater than itself. Its abundance is 21992818032
Bases of 12938181840
- Binary: 11000000110010110011111100110100002
- Hexadecimal: 0x3032CFCD0
- Base-36: 5XZ2500
Squares and roots of 12938181840
- 12938181840 squared (129381818402) is 167396549324905785600
- 12938181840 cubed (129381818403) is 2165806994554160294960853504000
-
The
square root of 12938181840 is 113746.1289011631 -
The
cube root of 12938181840 is 2347.6017083799
Scales and comparisons
How big is 12938181840?- 12,938,181,840 seconds is equal to 411 years, 20 weeks, 3 days, 11 hours, 24 minutes.
-
To count from 1 to 12,938,181,840 would take you about eight hundred twenty-two years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 12938181840 cubic inches would be around 195.6 feet tall.
Recreational maths with 12938181840
- 12938181840 backwards is 04818183921
- 12938181840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12938181840's digits is 45
- More coming soon!
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